package com.ivan.utils;

import com.sun.mail.util.MailSSLSocketFactory;

import javax.mail.*;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import java.security.GeneralSecurityException;
import java.util.Properties;

/**
 * @author hylu.ivan
 * @date 2022/3/10 下午11:18
 * @description
 */
public class EmailUtils {
    /**
     * test中有另一种发送邮箱的方式，该步骤参考：https://www.runoob.com/java/java-sending-email.html
     * 引入参考链接中的jar包或者使用当前spring-boot-starter-mail也可以使用
     * test中需要依赖spring-boot-starter-mail依赖
     * @param args
     */

    public static void main(String [] args) {
        // 收件人电子邮箱
        String to = "2734319366@qq.com";

        // 发件人电子邮箱
        String from = "1178594290@qq.com";

        // 指定发送邮件的主机为 localhost
        String host = "smtp.qq.com";

        // 获取系统属性
        Properties properties = System.getProperties();

        // 设置邮件服务器
        properties.setProperty("mail.smtp.host", host);

        properties.put("mail.smtp.auth", "true");
        MailSSLSocketFactory sf = null;
        try {
            sf = new MailSSLSocketFactory();
        } catch (GeneralSecurityException e) {
            e.printStackTrace();
        }
        sf.setTrustAllHosts(true);
        properties.put("mail.smtp.ssl.enable", "true");
        properties.put("mail.smtp.ssl.socketFactory", sf);
        // 获取默认session对象
        Session session = Session.getDefaultInstance(properties,new Authenticator(){
            public PasswordAuthentication getPasswordAuthentication()
            {
                return new PasswordAuthentication(from, "codjuwclezupibad"); //发件人邮件用户名、密码
            }
        });

        try{
            // 创建默认的 MimeMessage 对象
            MimeMessage message = new MimeMessage(session);

            // Set From: 头部头字段
            message.setFrom(new InternetAddress(from));

            // Set To: 头部头字段
            message.addRecipient(Message.RecipientType.TO, new InternetAddress(to));

            // Set Subject: 头部头字段
            message.setSubject("This is the Subject Line!");

            // 设置消息体
            message.setText("This is actual message");

            // 发送消息
            Transport.send(message);
            System.out.println("Sent message successfully....from runoob.com");
        }catch (MessagingException mex) {
            mex.printStackTrace();
        }
    }
}
